/Engine/Source/Runtime/SignalProcessing/Public/DSP/VoiceProcessing.h
Returns average amplitude across the internal buffer, and fills Output with the delay line output.
float ProcessAudio ( const [VectorRegister4Float](API\Runtime\Core\Math\VectorRegister4Float) & Input, [VectorRegister4Float](API\Runtime\Core\Math\VectorRegister4Float) & Output )